Table 1 Characteristics of included studies published in Radiology
Characteristic | All Articles (n = 66), n (%) | 2015 (n = 39), n (%) | 2019 (n = 27), n (%) |
|---|---|---|---|
Publication year a | 39 (59) | 27 (41) | |
Mode of data collection | |||
Retrospective | 32 (48) | 16 (41) | 16 (59) |
Prospective | 34 (52) | 23 (59) | 11 (41) |
Study design | |||
Case control | 9 (14) | 5 (13) | 4 (15) |
Cohort | 57 (86) | 34 (87) | 23 (85) |
Citation rate (median split)b | |||
Infrequently | 33 (50) | 21 (54) | 12 (44) |
Frequently | 33 (50) | 18 (46) | 15 (56) |